About This Project
Solar power meter measures the voltage, current and power of my 40W solar panel.
On the PCB are two electrolytic capacitors, connectors, 3.3V stabilizer, ESP-01, voltage and current sensor INA219.
OLED display is screwed to the box.
The box can be fitted on a DIN rail.
ESP8266, INA219, OLED
Photos of the Project